Mifepristone (Oral Route)

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Side Effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

Less common
  • Excessively heavy vaginal bleeding
  • Unusual tiredness or weakness
Incidence not known
  • Chest pain or discomfort
  • Confusion
  • Cough or hoarseness
  • Fast, weak pulse
  • Fever or chills
  • Lower back or side pain
  • Pain or discomfort in the arms, jaw, back, or neck
  • Painful or difficult urination
  • Pale, cold, or clammy skin
  • Shortness of breath
  • Sudden increase in stomach or shoulder pain
  • Sweating
  • Unusual or large amount of vaginal bleeding

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common
  • Abdominal or stomach pain or uterine cramping
  • Back pain
  • Diarrhea
  • Dizziness
  • Headache
  • Nausea or vomiting
Less common
  • Acid or sour stomach
  • Anxiety
  • Belching
  • Cough
  • Fainting or lightheadedness when getting up from a lying or sitting position
  • Fever
  • Flu-like symptoms
  • Headache
  • Heartburn
  • Increased clear or white vaginal discharge
  • Indigestion
  • Itching of the vagina or genital area
  • Lack or loss of strength
  • Pain during sexual intercourse
  • Pain or tenderness around the eyes and cheekbones
  • Pale skin
  • Shaking chills
  • Shortness of breath or troubled breathing
  • Sleeplessness or trouble sleeping
  • Stomach discomfort, upset, or pain
  • Stuffy or runny nose
  • Tightness of the chest or wheezing
  • Troubled breathing, exertional
  • Unusual bleeding or bruising

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

Precautions
DR601545 Portions of this document last updated: May 1, 2012

Source: Drug Information provided by: Micromedex

Copyright © 2013 Thomson Healthcare Inc. All rights reserved. Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes.

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